Lot of 4pc Mixed 2GB 1Rx8 -2Rx8 PC2 - PC3; 1GB 2Rx16 PC2 - PC3 Laptop RAM Memory | eBay
Beware of the single rank x16 RAM kits sneaked in some laptop models! The 1Rx16 modules have significantly lower bandwidth compared to the 1Rx8 variants - NotebookCheck.net News
RAM chips are changing. Here's how 2021 ROG laptops are affected | ROG - Republic of Gamers Switzerland
Conclusion: Two Ranks and 1DPC For Thee - DDR5 Demystified - Feat. Samsung DDR5-4800: A Look at Ranks, DPCs, and Do Manufacturers Matter?